Fabrication of Hierarchical Porous ZnO and its Application Performance in Ni/ZnO Reactive-Adsorption Desulfurization Process

TIAN Shuang; LIU Yunqi; ZHANG Ke; LIU Chenguang

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Fabrication of Hierarchical Porous ZnO and its Application Performance in Ni/ZnO Reactive-Adsorption Desulfurization Process

TIAN Shuang,LIU Yunqi *,ZHANG Ke,LIU Chenguang

China University of Petroleum,College of Chemical Engineering,State Key Laboratory of Heavy Oil Processing. Qingdao266555 Shandong

*Correspondence author

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Funding: Speciallized Reserch Fund for the Doctoral Program of Higher Education （No.No.20110133110002) and National Natural Science Foundation,China）

Opened online:27 February 2012

Accepted by: none

Citation: TIAN Shuang,LIU Yunqi,ZHANG Ke.Fabrication of Hierarchical Porous ZnO and its Application Performance in Ni/ZnO Reactive-Adsorption Desulfurization Process[OL]. [27 February 2012] http://en.paper.edu.cn/en_releasepaper/content/4467239

To better understand the nature of reactive adsorption of FCC gasoline on Ni/ZnO adsorbent, the effect of ZnO textural structure on the desulfurization activity were investigated. Hierarchical rod-shaped ZnO was synthesized by solvothermal and thermal descomposition methods. The ZnO material possessed not only macropores but also mesopores. The mesopores might be formed by the aggregation of nanoclusters and the macropores be formed by the aggregation of microrods. The corresponding Ni/ZnO adsobents were prepared by incipient impregnation method. The analysis results showed that both the crystalline sizes and the texture structure of the synthesized ZnO were better than that of commercial ZnO. Compared with commercial ZnO-based Ni/ZnO absorbent, hierarchical porous ZnO-based Ni/ZnO absorbent possesses higher desulfurization performance, which can be attributed to its possession with higher diffusion effect and special surface area.

Keywords:hierarchical porous; Ni/ZnO; Reactive-adsorption-desulfurization (RAD)

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